Finding the Fourth Proportional to 11,048,148.20, 16,544,228.70 and 8,808,660.20
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Solution
The fourth proportional to 11,048,148.20, 16,544,228.70 and 8,808,660.20 is: 13,190,671.07
Step by Step Solution
- Step 1: Write the proportion equation
11,048,148.20 : 16,544,228.70 = 8,808,660.20 : x - Step 2: Convert to fraction form
11,048,148.20/16,544,228.70 = 8,808,660.20/x - Step 3: Cross multiply
11,048,148.20x = 16,544,228.70 × 8,808,660.20 - Step 4: Simplify right side
11,048,148.20x = 145,732,488,889,387.72 - Step 5: Solve for x
x = 145,732,488,889,387.72/11,048,148.20 - Step 6: Final answer
x = 13,190,671.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.